Niocalite
n. [地]黄硅铌钙石
🗣️ 情景例句
He is behind the rest of the class in reading.
他在阅读方面不如班上的其他同学。
This round table weighs about forty-five pounds.
这张圆桌子重大约45磅。
a ticklish business which is achieved with the aid of two tame elephants roped to the captive on either side.
这是一件棘手的事，需要在它两侧拴上两头驯服的大象才能完成。